1 / 9

How Internet Search Engines Work

How Internet Search Engines Work. By: Michael Farese. What is a Search Engine?. An internet search engine is a search tool on the web. Examples of search engines are: Google Bing Ask.com. Search Engines Then and Now. Then: Thousands of words indexed a day

vian
Télécharger la présentation

How Internet Search Engines Work

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. How Internet Search Engines Work By: Michael Farese

  2. What is a Search Engine? • An internet search engine is a search tool on the web. • Examples of search engines are: • Google • Bing • Ask.com

  3. Search Engines Then and Now Then: Thousands of words indexed a day Now: Tens of millions of words searched a day

  4. Tasks a search engine does Searches internet for key words Holds an index of found information Looks for combinations of words

  5. How a Search Engine Performs the Tasks Web software called, “Spiders” search millions of pages A list of content and location is made That list is indexed then saved and stored for users.

  6. Google vs. Others • Google’s software uses 3 spiders at a time • Google’s spiders record 2 things • Key words within the page • Where the words were found

  7. AltaVista AltaVista is another search engine AltaVista puts words like, “an, the a” into their index. Google searches for key words and gives you better results.

  8. Some Cool Search Engines http://www.ninjagoogle.com/ http://www.dinoogle.com/ http://www.boogle.com/ http://www.purpoogle.com/

  9. Sources www.howstuffworks.com

More Related